This is the –1TB Platter version of the WD30EFRX that is reviewed earlier. To re-quote my 30EFRX Red drive's review:

WD advertizes the Red-series explicitly for the 24x7-operation in small and medium-sized enterprises and at home in small NAS-/RAID-setups. Precisely because the drives have to run jammed together in confined spaces, solid performance and preferably low temperatures are vital.

So far so good with these drives. I currently own 7 of the 2TB version and all work as expected. 6 are setup in a RAIDZ configuration using FreeNAS while the other is a standalone drive. The drives are quiet enough that I cannot hear them sitting only a few feet away.

Bought some Reds for my NAS about 3 months ago from OcUK. They are in a raidz pool (zfs filesystem) and perform very well. I get ~110 MB/s reading and writing across my network. These are designed for home NAS usage, so their real test will be with time. 3 yr warranty is nice.

Using two of these in a Raid 1 configuration. Plan to buy a couple more for a Raid 1E setup since my LSI card supports it. So far so good. No problems. Haven't tested them for speed but I'm using them for storage only, so I don't need fast drvies.

Western Digital's Red series is definitely a success. It is superior to its predecessor in those parameters we could measure in our tests such as speed, power consumption and temperature.

This is the perfect product for heavy data users that can't afford enterprise grade HDDs, such as the WD RE4. It has a range of features that make it better suited than any other consumer HDD for RAID arrays or ZFS pools, especially for multi-user network environments.

Durable; Easy To Install; Energy Efficient; Fast; Highly Compatible; Optimized; Quiet; Reliable

It's been working well for me over the past month. HD Tune turned up clean and healthy. Good performance and great for storage. I haven't put it through a rigorous enough test but it should perform adequately for most uses.

Bought 4 of these for a FreeNAS setup. After 2 days of thoroughly testing each drive they were installed and have been very quietly humming way in the background... I have always used WD drive's and yet to have a single one ever fail on me, including the one that is in my CarPC. Just good luck?

Quiet drive. Smooth installation. No worries